CN210607755U

CN210607755U - HDMI interface

Info

Publication number: CN210607755U
Application number: CN201921926185.3U
Authority: CN
Inventors: 谢政伟
Original assignee: Suzhou Ximiyaer Electronics Co ltd
Current assignee: Dongguan Coaxial Technology Co ltd; Suzhou Coaxial Technology Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-05-22
Anticipated expiration: 2029-11-09

Abstract

The utility model discloses a HDMI interface uses in the electronic connector field, has solved the great technical problem of the coaxial cable welding degree of difficulty, and its technical scheme main points are HDMI interface, including coaxial cable, connector, be provided with the pin on the connector, including a plurality of coaxial sinle silk in the coaxial cable, coaxial sinle silk includes outer tegillum, shielding weaving layer, insulating layer, center conductor from outside to inside in proper order, still includes the subassembly of accepting a plurality of coaxial sinle silk, it is connected with the pin electricity of connector to accept the subassembly. The technical effect who has is that this HDMI interface divide into three part, and wherein coaxial cable wraps up a plurality of coaxial sinle silks as the major structure, and a plurality of coaxial sinle silks are connected to on accepting the subassembly after stretching out from coaxial cable, owing to accept the subassembly and set up outside the connector, have great operating space, consequently weld comparatively simple and conveniently.

Description

HDMI interface

Technical Field

The utility model belongs to the technical field of the technique of electronic connector and specifically relates to a HDMI interface is related to.

Background

The HDMI interface is a high definition multimedia interface, is a digital video/audio interface technology, and is a dedicated digital interface suitable for video transmission, which can simultaneously transmit audio and video signals.

The existing HDMI adopts a coaxial line or a twisted pair line to connect a terminal connector, adopts the twisted pair line to connect the terminal connector, and the twisted pair line is internally divided into a plurality of cables, so that the whole volume is large, the toughness is poor, and the coaxial line is adopted, although the toughness and the characteristics are improved, the grounding of the coaxial line needs to lead out an extra wire from a shielding layer therein for grounding, the lead is led out and then welded, so that the whole welding difficulty is large, and the production efficiency of the product is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a HDMI interface, its advantage is the welding efficiency who promotes coaxial line and connector.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a HDMI interface, includes coaxial cable, connector, be provided with the pin on the connector, including a plurality of coaxial sinle silks in the coaxial cable, coaxial sinle silk includes outer tegillum, shielding weaving layer, insulating layer, centre conductor from outer to interior in proper order, still including accepting the subassembly of accepting of a plurality of coaxial sinle silks, it is connected with the pin electricity of connector to accept the subassembly.

According to the technical scheme, the HDMI interface is divided into three parts, wherein the coaxial cable is used as a main body structure to wrap a plurality of coaxial cable cores, the coaxial cable cores extend out of the coaxial cable and then are connected to the bearing assembly, and the bearing assembly is arranged outside the connector and has a larger operation space, so that the welding is simpler and more convenient; in addition, the receiving component is directly and electrically connected with the pins of the connector to form a whole in advance, and the pins of the receiving component and the connector are welded after the inserting connection is finished, so that the operation is simple, and the production efficiency is improved.

The utility model discloses further set up to: the receiving component is a grounding claw.

The grounding claw comprises a supporting part and a clamping part which are connected.

One side of the connector, which is close to the pins of the connector, is provided with a convex block for clamping the clamping part, and the pins are arranged on the convex block.

The shielding braid of coaxial sinle silk sets up and welds on the supporting part, and the central conductor of coaxial sinle silk sets up and welds on the pin.

According to the technical scheme, the structure of the grounding claw is adopted, firstly, the grounding claw is mainly divided into two parts, wherein the supporting part has certain toughness, the supporting part can be used for overlapping the shielding braid layers of the coaxial wire cores, on one hand, electric connection is realized, on the other hand, the coaxial wire cores of the upper row and the lower row of the coaxial cable are spread, pre-supporting positioning is realized, and after the pre-supporting positioning is finished, fixing is realized in a welding mode; secondly, for the connector, the convex block extending on the connector can be used for rapidly clamping the clamping part, the corresponding matching butt joint of the pin and the central conductor of the coaxial cable core is realized while the inserting fit is realized, the integral welding fixation is carried out after the matching butt joint, and the operation is simple and convenient; the whole assembly efficiency is improved.

The utility model discloses further set up to: the supporting part is of a U-shaped structure, and a supporting block used for being inserted into a U-shaped opening of the supporting part is arranged on the protruding block.

Through the technical scheme, the supporting part has a certain elastic shrinkage space through the U-shaped structure, the corresponding clamping part has the trend of inward folding, and the convex block can be clamped tightly, so that stable connection is realized, and on the other hand, the supporting block is inserted into the U-shaped opening of the supporting part, so that the overall connection stability of the grounding claw is improved.

The utility model discloses further set up to: the clamping part comprises a plurality of clamping pins which are respectively connected to the upper side and the lower side of the supporting part, and the clamping pins are clamped on the convex blocks and are electrically connected with the grounded pins.

Through above-mentioned technical scheme, the concrete structure of supporting part is a plurality of calories of feet, and a plurality of calories of feet have better elasticity, and this elastic force can make the card foot press from both sides the lug multiple spot tightly, guarantees the holistic cooperation fastness of ground connection claw, and the cartridge cooperation is convenient, the further welded fastening of being convenient for.

The utility model discloses further set up to: the upper and lower both sides of card foot at the supporting part all are provided with two at least.

Through above-mentioned technical scheme, the card foot has the centre gripping point of a plurality of dimensions on the supporting part, and the stability of a plurality of centre gripping point application of force multiplicable supporting parts reduces the swing of supporting part all directions.

The utility model discloses further set up to: the distance between the clamping pins at the upper side and the lower side of the supporting part is larger than the opening width of the U-shaped opening of the supporting part.

Through above-mentioned technical scheme, the card foot on the supporting part is slightly greater than the opening width of the U type mouth of supporting part, therefore coaxial core's shielding weaving layer is taken on the supporting part, and its central conductor can be taken on the pin, and the interval of coaxial core central conductor and shielding weaving layer is close with the difference in height of card foot and supporting part mutually to the roughness when coaxial core welds on the ground connection jack catch is comparatively level and smooth, further cladding protective material again, and the surface smoothness is high.

The utility model discloses further set up to: the bearing component is a PCB.

The pins on the connector extend out to form an array which is two rows, the PCB and the two rows of pins are subjected to SMT, and the coaxial wire cores are welded with the PCB.

Through above-mentioned technical scheme, adopt SMT technology to realize being connected of connector and PCB board, SMT is ripe processing technology, and processing is accomplished the back, and the connector is integrative structure with the PCB board, and is further, carries out the welding of coaxial sinle silk again, and the operation is simple and convenient relatively.

The utility model discloses further set up to: one side of the connector, which is close to the pins, is provided with limiting pins, the limiting pins are distributed on the side edges of the two rows of pins, and the distance between every two adjacent limiting pins is not less than the thickness of the PCB.

Through the technical scheme, the limiting pins on the connector can provide a certain guiding effect for the insertion of the PCB, so that the accuracy and firmness of the PCB during the insertion positioning are improved.

The utility model discloses further set up to: the connection part of the bearing assembly and the coaxial cable is coated with an injection molding part.

Through above-mentioned technical scheme, the injection molding carries out holistic parcel to the junction of accepting subassembly and coaxial cable, plays the bidirectional protection effect to accepting subassembly and coaxial cable through the injection molding.

The utility model discloses further set up to: and arc-shaped grooves are formed in two sides of the injection molding piece.

Through above-mentioned technical scheme, the arc recess has promoted the stability of taking of injection molding, and the operating personnel of being convenient for grips and will accept the subassembly and insert and deliver to the connector on.

To sum up, the utility model discloses a beneficial technological effect does:

the bearing assembly is connected with the connector firstly, so that the butt joint is easy, the welding is easy, and the separated bearing assembly is convenient for the connection and the welding of the coaxial wire core;

and the coaxial cable is adopted, so that the flexibility and the characteristic are better, and the applicability is high.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic diagram of the explosive structure of example 1;

FIG. 3 is a schematic structural view of example 2;

fig. 4 is an exploded structure diagram of example 2.

Description of the drawings, 1, coaxial cable; 10. a coaxial wire core; 11. a tegument layer; 12. a shielding braid; 13. an insulating layer; 14. a center conductor; 2. a connector; 21. a pin; 22. a bump; 23. a limiting pin; 24. a support block; 3. a receiving assembly; 4. a grounding claw; 41. a support portion; 42. a fastening part; 421. clamping a pin; 5. a PCB board; 6. an injection molded part; 61. an arc-shaped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, for the utility model discloses an HDMI interface, including coaxial cable 1, connector 2 and accept subassembly 3. The connector 2 is integrated with the receiving member 3, and the receiving member 3 is then soldered to the coaxial cable 1.

Referring to fig. 1 and 2, a plurality of coaxial cores 10 are wrapped in a coaxial cable 1, and the coaxial cores 10 include an outer layer 11, a shielding braid 12, an insulating layer 13 and a central conductor 14 from outside to inside; the outer layer 11 and the insulating layer 13 are made of insulating material, such as teflon, the shielding braid 12 is made of metallic copper, and the central conductor 14 is made of silver-plated copper.

Referring to fig. 1 and 2, the receiving assembly 3 is a grounding claw 4, the grounding claw 4 includes a supporting portion 41 and a clamping portion 42 connected to each other, the supporting portion 41 is in a U-shaped structure, the clamping portion 42 includes a plurality of clamping pins 421 connected to upper and lower ears of the supporting portion 41, and two clamping pins 421 and three clamping pins 421 are respectively disposed on upper and lower sides of the clamping portion 42; after the front end of the coaxial cable core 10 is peeled, the shielding braid 12 is directly overlapped on the supporting portion 41 and welded and fixed. In order to promote the connection stability of coaxial cable 1 and ground connection claw 4, the department of connection cladding of ground connection claw 4 and coaxial cable 1 has injection molding 6, and the both sides of injection molding 6 are equipped with arc recess 61, make things convenient for operating personnel to carry out the technology operation.

Referring to fig. 1 and 2, a bump 22 is disposed on the connector 2, and a pin 21 on the connector 2 is embedded on the bump 22; the plurality of pins 421 can be clipped on the bumps 22 and attached to the pins 21 for electrical connection. The projection 22 is provided with a support block 24, the support block 24 is inserted into the U-shaped opening of the support portion 41, and the support portion 41 is elastically expanded, thereby clamping the support block 24.

Referring to fig. 2, the distance between the upper and lower locking legs 421 of the supporting portion 41 is greater than the opening width of the U-shaped opening of the supporting portion 41, and the upper and lower locking legs 421 are outwardly bent and extended in multiple stages. The shielding braid 12 of coaxial sinle silk 10 is taken on supporting part 41, and central conductor 14 at its center can be taken on pin 21, and the interval of central conductor 14 and shielding braid 12 is close with the difference in height of card foot 421 and supporting part 41 in coaxial sinle silk 10 to the roughness when coaxial sinle silk 10 welds on ground claw 4 is comparatively level and smooth, further cladding protective material again, and surface smoothness is high.

Embodiment 2 differs from embodiment 1 in that, as shown in fig. 3 and 4, the receiving component 3 is a PCB 5, the connector 2 is connected to the PCB 5 by SMT, which is an existing automated surface mount technology for quickly soldering the PCB 5, and is not described herein again, and the PCB 5 is then soldered to the coaxial cable core 10, so that operability is improved.

One side that connector 2 is close to its pin 21 is provided with two sets of spacing feet 23, and two sets of spacing feet 23 distribute in two rows of pins 21 sides, and the interval of two adjacent spacing feet 23 is not less than PCB board 5's thickness, and PCB board 5 inserts and realizes the electricity between two rows of pins 21 and connect, and spacing foot 23 plays guiding orientation's effect on the one hand, and on the other hand restricts PCB's swing to reduce the damage of PCB board 5's swing to pin 21.

The implementation principle of the embodiment is as follows: for the coaxial cable 1, the receiving assembly 3 is adopted as an intermediate carrier, the grounding claw 4 is adopted in the first method, the PCB 5 is adopted in the second method, the whole structure and the connector 2 form a new whole, then the coaxial cable core 10 is welded, and the whole processing efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a HDMI interface, includes coaxial cable (1), connector (2), be provided with pin (21) on connector (2), including a plurality of coaxial sinle silk (10) in coaxial cable (1), coaxial sinle silk (10) are from outer tegillum (11), shielding weaving layer (12), insulating layer (13), center conductor (14) including accepting subassembly (3) of accepting a plurality of coaxial sinle silk (10) in proper order to interior, accept subassembly (3) and pin (21) electricity of connector (2) and be connected.

2. HDMI interface according to claim 1, characterized in that the receiving component (3) is a grounding claw (4);

the grounding claw (4) comprises a supporting part (41) and an engaging part (42) which are connected with each other;

one side of the connector (2) close to the pin (21) is provided with a convex block (22) for clamping a clamping part (42), and the pin (21) is arranged on the convex block (22);

the shielding braid (12) of the coaxial cable core (10) is erected and welded on the supporting part (41), and the central conductor (14) of the coaxial cable core (10) is erected and welded on the pin (21).

3. The HDMI interface according to claim 2, wherein the supporting portion (41) is U-shaped, and the protrusion (22) is provided with a supporting block (24) for inserting into the U-shaped opening of the supporting portion (41).

4. The HDMI interface of claim 2, wherein said engaging portion (42) comprises a plurality of engaging pins (421) respectively connected to upper and lower sides of the supporting portion (41), and said engaging pins (421) are engaged with the bumps (22) and electrically connected to the grounded pins (21).

5. The HDMI interface according to claim 4, wherein at least two of the locking pins (421) are disposed on both upper and lower sides of the supporting portion (41).

6. The HDMI interface according to claim 5, wherein the distance between the upper and lower clamping pins (421) of the supporting portion (41) is greater than the opening width of the U-shaped opening of the supporting portion (41).

7. An HDMI interface according to claim 1, characterized in that said socket component (3) is a PCB board (5);

pin (21) on connector (2) stretch out the range of formation and be two rows, and PCB board (5) carry out SMT with two rows of pin (21), coaxial sinle silk (10) and PCB board (5) welding.

8. The HDMI interface according to claim 7, wherein a limiting pin (23) is disposed on one side of the connector (2) close to the pins (21), the limiting pins (23) are distributed on the sides of the two rows of pins (21), and the distance between two adjacent limiting pins (23) is not less than the thickness of the PCB (5).

9. HDMI interface according to any of claims 1-8, wherein the connection of the receiving assembly (3) and the coaxial cable (1) is coated with an injection molded part (6).

10. HDMI interface according to claim 9, characterized in that the injection molded part (6) is provided with curved grooves (61) on both sides.